Files
clang-p2996/llvm/test/CodeGen/AMDGPU/propagate-flat-work-group-size.ll
Matt Arsenault b6b703b2df AMDGPU: Infer no-agpr usage in AMDGPUAttributor (#85948)
SIMachineFunctionInfo has a scan  of the function body for inline asm
which may use AGPRs, or callees in SIMachineFunctionInfo. Move this
into the attributor, so it actually works interprocedurally.
    
Could probably avoid most of the test churn if this bothered to avoid
adding this on subtargets without AGPRs. We should also probably
try to delete the MIR scan in usesAGPRs but it seems to be trickier
to eliminate.
2024-03-21 14:24:06 +05:30

216 lines
11 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -amdgpu-attributor %s | FileCheck %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=amdgpu-attributor %s | FileCheck %s
; Check propagation of amdgpu-flat-work-group-size attribute.
; Called from a single kernel with 1,256
define internal void @default_to_1_256() {
; CHECK-LABEL: define {{[^@]+}}@default_to_1_256
; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
define amdgpu_kernel void @kernel_1_256() #0 {
; CHECK-LABEL: define {{[^@]+}}@kernel_1_256
; CHECK-SAME: () #[[ATTR0]] {
; CHECK-NEXT: call void @default_to_1_256()
; CHECK-NEXT: ret void
;
call void @default_to_1_256()
ret void
}
; Called from a single kernel with 64,128
define internal void @default_to_64_128() {
; CHECK-LABEL: define {{[^@]+}}@default_to_64_128
; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
define amdgpu_kernel void @kernel_64_128() #1 {
; CHECK-LABEL: define {{[^@]+}}@kernel_64_128
; CHECK-SAME: () #[[ATTR1]] {
; CHECK-NEXT: call void @default_to_64_128()
; CHECK-NEXT: call void @flat_group_64_64()
; CHECK-NEXT: call void @default_to_64_256()
; CHECK-NEXT: call void @flat_group_128_256()
; CHECK-NEXT: ret void
;
call void @default_to_64_128()
call void @flat_group_64_64()
call void @default_to_64_256()
call void @flat_group_128_256()
ret void
}
; Called from kernels with 128,512 and 512,512
define internal void @default_to_128_512() {
; CHECK-LABEL: define {{[^@]+}}@default_to_128_512
; CHECK-SAME: () #[[ATTR2:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
; This already has a strict bounds, but called from kernels with wider
; bounds, and should not be changed.
define internal void @flat_group_64_64() #2 {
; CHECK-LABEL: define {{[^@]+}}@flat_group_64_64
; CHECK-SAME: () #[[ATTR3:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
; 128,256 -> 128,128
define internal void @flat_group_128_256() #3 {
; CHECK-LABEL: define {{[^@]+}}@flat_group_128_256
; CHECK-SAME: () #[[ATTR4:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
define internal void @flat_group_512_1024() #4 {
; CHECK-LABEL: define {{[^@]+}}@flat_group_512_1024
; CHECK-SAME: () #[[ATTR5:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
define amdgpu_kernel void @kernel_128_512() #5 {
; CHECK-LABEL: define {{[^@]+}}@kernel_128_512
; CHECK-SAME: () #[[ATTR2]] {
; CHECK-NEXT: call void @default_to_128_512()
; CHECK-NEXT: call void @flat_group_64_64()
; CHECK-NEXT: ret void
;
call void @default_to_128_512()
call void @flat_group_64_64()
ret void
}
define amdgpu_kernel void @kernel_512_512() #6 {
; CHECK-LABEL: define {{[^@]+}}@kernel_512_512
; CHECK-SAME: () #[[ATTR5]] {
; CHECK-NEXT: call void @default_to_128_512()
; CHECK-NEXT: call void @flat_group_512_1024()
; CHECK-NEXT: ret void
;
call void @default_to_128_512()
call void @flat_group_512_1024()
ret void
}
; Called from kernels with 128,256 and 64,128 => 64,256
define internal void @default_to_64_256() {
; CHECK-LABEL: define {{[^@]+}}@default_to_64_256
; CHECK-SAME: () #[[ATTR6:[0-9]+]] {
; CHECK-NEXT: ret void
;
ret void
}
; The kernel's lower bound is higher than the callee's lower bound, so
; this should probably be illegal.
define amdgpu_kernel void @kernel_128_256() #3 {
; CHECK-LABEL: define {{[^@]+}}@kernel_128_256
; CHECK-SAME: () #[[ATTR7:[0-9]+]] {
; CHECK-NEXT: call void @default_to_64_256()
; CHECK-NEXT: ret void
;
call void @default_to_64_256()
ret void
}
; 64,128 -> 64,128
define internal void @merge_cycle_0() #1 {
; CHECK-LABEL: define {{[^@]+}}@merge_cycle_0
; CHECK-SAME: () #[[ATTR1]] {
; CHECK-NEXT: call void @merge_cycle_1()
; CHECK-NEXT: ret void
;
call void @merge_cycle_1()
ret void
}
; 128,256 -> 128,128
define internal void @merge_cycle_1() #3 {
; CHECK-LABEL: define {{[^@]+}}@merge_cycle_1
; CHECK-SAME: () #[[ATTR4]] {
; CHECK-NEXT: call void @merge_cycle_0()
; CHECK-NEXT: ret void
;
call void @merge_cycle_0()
ret void
}
define amdgpu_kernel void @kernel_64_256() #7 {
; CHECK-LABEL: define {{[^@]+}}@kernel_64_256
; CHECK-SAME: () #[[ATTR6]] {
; CHECK-NEXT: call void @merge_cycle_0()
; CHECK-NEXT: call void @default_captured_address()
; CHECK-NEXT: call void @externally_visible_default()
; CHECK-NEXT: [[F32:%.*]] = call float @bitcasted_function()
; CHECK-NEXT: ret void
;
call void @merge_cycle_0()
call void @default_captured_address()
call void @externally_visible_default()
%f32 = call float @bitcasted_function()
ret void
}
define internal void @default_captured_address() {
; CHECK-LABEL: define {{[^@]+}}@default_captured_address
; CHECK-SAME: () #[[ATTR8:[0-9]+]] {
; CHECK-NEXT: store volatile ptr @default_captured_address, ptr undef, align 8
; CHECK-NEXT: ret void
;
store volatile ptr @default_captured_address, ptr undef, align 8
ret void
}
define void @externally_visible_default() {
; CHECK-LABEL: define {{[^@]+}}@externally_visible_default
; CHECK-SAME: () #[[ATTR8]] {
; CHECK-NEXT: ret void
;
ret void
}
; 1,1024 -> 64,256
define internal i32 @bitcasted_function() {
; CHECK-LABEL: define {{[^@]+}}@bitcasted_function
; CHECK-SAME: () #[[ATTR6]] {
; CHECK-NEXT: ret i32 0
;
ret i32 0
}
attributes #0 = { "amdgpu-flat-work-group-size"="1,256" }
attributes #1 = { "amdgpu-flat-work-group-size"="64,128" }
attributes #2 = { "amdgpu-flat-work-group-size"="64,64" }
attributes #3 = { "amdgpu-flat-work-group-size"="128,256" }
attributes #4 = { "amdgpu-flat-work-group-size"="512,1024" }
attributes #5 = { "amdgpu-flat-work-group-size"="128,512" }
attributes #6 = { "amdgpu-flat-work-group-size"="512,512" }
attributes #7 = { "amdgpu-flat-work-group-size"="64,256" }
;.
; CHECK: attributes #[[ATTR0]] = { "amdgpu-flat-work-group-size"="1,256" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR1]] = { "amdgpu-flat-work-group-size"="64,128" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR2]] = { "amdgpu-flat-work-group-size"="128,512" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,10" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR3]] = { "amdgpu-flat-work-group-size"="64,64" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR4]] = { "amdgpu-flat-work-group-size"="128,128" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR5]] = { "amdgpu-flat-work-group-size"="512,512" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,10" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR6]] = { "amdgpu-flat-work-group-size"="64,256" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR7]] = { "amdgpu-flat-work-group-size"="128,256" "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
; CHECK: attributes #[[ATTR8]] = { "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
;.